EP2212540B1 - Dispositif et procédé pour la réinjection de gaz d'échappement d'un moteur à combustion interne - Google Patents

Dispositif et procédé pour la réinjection de gaz d'échappement d'un moteur à combustion interne Download PDF

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Publication number
EP2212540B1
EP2212540B1 EP08842507A EP08842507A EP2212540B1 EP 2212540 B1 EP2212540 B1 EP 2212540B1 EP 08842507 A EP08842507 A EP 08842507A EP 08842507 A EP08842507 A EP 08842507A EP 2212540 B1 EP2212540 B1 EP 2212540B1
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EP
European Patent Office
Prior art keywords
exhaust
pressure side
gas
compressor
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP08842507A
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German (de)
English (en)
Other versions
EP2212540A1 (fr
Inventor
Christian Oberlechner
Florian Pfister
Eberhard Pantow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
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Filing date
Publication date
Application filed by Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP2212540A1 publication Critical patent/EP2212540A1/fr
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Publication of EP2212540B1 publication Critical patent/EP2212540B1/fr
Not-in-force legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
    • F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/02—EGR systems specially adapted for supercharged engines
    • F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
    • F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/14—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system
    • F02M26/15—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories in relation to the exhaust system in relation to engine exhaust purifying apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/24—Layout, e.g. schematics with two or more coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/27—Layout, e.g. schematics with air-cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
    • F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
    • F02M26/23—Layout, e.g. schematics
    • F02M26/28—Layout, e.g. schematics with liquid-cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
    • F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
    • F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
    • F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
    • F01N3/18—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control
    • F01N3/20—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/65—Constructional details of EGR valves
    • F02M26/71—Multi-way valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001—Recuperative heat exchangers
    • F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the invention relates to a device for recirculating exhaust gas of an internal combustion engine according to the preamble of claim 1 and to a method for recycling exhaust gas of an internal combustion engine.
  • the exhaust gas temperature is low pressure side of the compressor below the high-pressure side temperature, so that part of the heat of the high pressure side branched off recirculating exhaust gas stream to the low-pressure side exhaust stream according to the invention by means of a heat exchanger can be.
  • recirculation rates of more than 30%, particularly advantageous recirculation rates of more than 35% and particularly advantageous recirculation rates of 40% or more than 40% can be achieved without making any major changes to existing exhaust gas coolers.
  • At least one means for exhaust aftertreatment in particular from the group of storage catalyst, Reduktionskatatysator or particle filter is provided on the low pressure side downstream of the heat exchanger.
  • NOx storage catalysts require at least 100 ° C
  • oxidation catalysts require at least 150 ° C
  • NOx catalysts for selective catalytic reduction require at least 200 ° C and for the regeneration of a NOx storage catalyst or exhaust particulate filter temperatures of more than 250 ° C. required.
  • the device according to the invention offers a simple possibility for being able to still achieve such temperatures of the non-recirculated exhaust gas even at high recirculation rates.
  • the low-pressure side exhaust gas flow of the heat exchanger is a partial flow of the low-pressure side exhaust gas flow of the compressor.
  • the partial flow is adjustable via an actuator. This can be done in a simple manner, a power control of the heat exchanger. In addition, this can be achieved in that the partial flow can be heated to a particularly high temperature, for example, to influence certain processes in a downstream exhaust gas purification.
  • the heat exchanger is a one-piece heat exchanger which can be flowed through by high-pressure side exhaust gas flow and low-pressure side exhaust gas flow or flows through or is flowed through. As a result, a direct heat transfer of the exhaust gas streams is achieved with a simple device.
  • the heat exchanger may also include a low-pressure side heat exchanger and a high-pressure side heat exchanger, which are thermally connected via a fluid.
  • a fluid for example a liquid coolant, can also flow through further components of the motor vehicle if necessary.
  • a further advantageous embodiment provides that the heat exchanger comprises a heat pipe.
  • Heat pipes allow a particularly effective heat transfer, especially at relatively low temperature differences and can also contribute to a homogenization of the transferred to the low-pressure side exhaust stream heat output.
  • the exhaust gas cooler is an indirect exhaust gas cooler for transmitting heat to a coolant circuit, in particular a main cooling circuit of the internal combustion engine. Alternatively or additionally, however, it may also be a direct exhaust gas cooler for the transfer of heat to ambient air.
  • a first, indirect exhaust gas cooler and a second, direct exhaust gas cooler are provided, whereby a particularly large cooling capacity is achieved, which allows a high return rate.
  • a first, indirect exhaust gas cooler and a second, indirect exhaust gas cooler are provided, whereby a particularly large cooling capacity is achieved, which allows a high return rate.
  • the object of the invention is achieved for an aforementioned method for recycling exhaust gas of an internal combustion engine according to the invention with the features of claim 11.
  • the transfer of heat from the high-pressure side exhaust stream to the low-pressure side exhaust stream allows for improved cooling of the recirculated exhaust gas and the provision of sufficiently high temperatures for subsequent exhaust gas purification.
  • the low-pressure side exhaust stream is advantageously a means for exhaust aftertreatment, in particular from the group storage catalyst, reduction catalyst or particle filter supplied.
  • the embodiment of the invention according to Fig. 1 includes an internal combustion engine 1, which in the present case is a supercharged diesel engine, a commercial vehicle. Exhaust of the engine 1 flows under high pressure and high temperature in a line 5 to a formed as an exhaust gas turbocharger compressor 2 for compression of charge air, which is in a front of the vehicle in front of an engine coolant radiator 3 arranged direct, so air-cooled intercooler 4 is cooled ,
  • an internal combustion engine 1 which in the present case is a supercharged diesel engine, a commercial vehicle.
  • Exhaust of the engine 1 flows under high pressure and high temperature in a line 5 to a formed as an exhaust gas turbocharger compressor 2 for compression of charge air, which is in a front of the vehicle in front of an engine coolant radiator 3 arranged direct, so air-cooled intercooler 4 is cooled ,
  • the high-pressure side line 5 has a branch at which an exhaust gas stream 5 a is branched off to return to the internal combustion engine 1.
  • the amount the branched exhaust gas is controllable via a valve 6 arranged in the branch line.
  • the exhaust gas stream branched off for recirculation first flows through a heat exchanger 7, which in the first exemplary embodiment is formed as a single heat exchanger.
  • heat is transferred from the recirculated exhaust gas flow to the exhaust gas flow 8 which is downstream of the compressor.
  • the exhaust gas On the outlet side of the compressor 2, the exhaust gas is usually cooler or at least on average and has a lower pressure than the inlet side.
  • the low-pressure side exhaust gas flows through a means for exhaust gas purification 9, which in the present case may be a storage catalytic converter, reduction catalytic converter or particle filter.
  • the recirculated exhaust gas flow stream 5a flows through the outlet of the heat exchanger 7, the valve 6 and a first, indirect exhaust gas cooler 10.
  • the exhaust gas cooler 10 is flowed through a bypass circuit of the coolant of the engine 1 as a cooling medium for heat dissipation, so that a part of the heat of the exhaust gas in the operated by a circulation pump 13 coolant circuit registered and ultimately discharged indirectly via the coolant radiator.
  • the cooling medium may be in the liquid and / or gaseous and / or solid and / or plasma state.
  • the exhaust gas flows through a 3-way valve 11, from where it can be fed depending on the setting directly to the fresh gas or the cooled charge air on the inlet side of the engine 1 or initially flows through a second, direct or indirect exhaust gas cooler 12.
  • the second exhaust gas cooler 12 is arranged next to the intercooler 4 front side of the coolant radiator 3, so that it dissipates heat of the exhaust gas directly to the ambient air or the airstream as a cooling medium.
  • the inventive arrangement of the heat exchanger 7 with any other suitable known arrangement of subsequent exhaust gas cooler 10, 12 or their integration in cooling circuits can be combined.
  • the exhaust gas cooler 12 is a direct exhaust gas cooler.
  • the exhaust gas cooler 12 is an indirect exhaust gas cooler. In any case, a portion of the heat of the recirculated exhaust gas can be transferred to the outlet side of the exhaust gas relative to the compressor.
  • a second embodiment according to Fig. 2 The device differs from the first exemplary embodiment in that the exhaust gas flow 8, which exits with respect to the compressor 2, is branched into two partial flows 8a, 8b. Only one of the partial streams 8b flows through the heat exchanger 7, wherein a quantity distribution on the partial streams 8a, 8b via an actuator 14 is adjustable, which is present in the branch 8b designed as a throttle valve. But it can also be a different arrangement of the actuator 8 or it can be dispensed with an actuator 8 depending on the requirements.
  • the heat exchanger 7 is not designed as a single heat exchanger in contrast to the first embodiment, but as a heat exchanger circuit with a first, flowed through by the recirculated exhaust gas 5a heat exchanger 7a and a second, flowed through by the low-pressure side exhaust gas 8 heat exchanger 7b.
  • the heat exchangers 7a, 7b are connected to exchange heat via a fluid circuit 7c of a suitable coolant and can thus be arranged in particular spatially separated from each other.
  • the heat exchanger 7 in contrast to the first embodiment not as a simple heat exchanger, but as a heat exchanger with a heat pipe 7d between the exhaust gas streams 5a, 8.
  • the heat pipe 7d has a corresponding to the usual temperatures of the exhaust gas streams 5a, 8 adapted equipment , so that a particularly effective heat transfer is ensured.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Exhaust-Gas Circulating Devices (AREA)
  • Exhaust Gas After Treatment (AREA)

Claims (11)

  1. Dispositif pour le recyclage de gaz d'échappement d'un moteur à combustion interne, comprenant
    un compresseur (2) entraîné par les gaz d'échappement, où un flux de gaz d'échappement entre dans le compresseur (2) côté haute pression et sort du compresseur (2) côté basse pression,
    une dérivation (5a) pour les gaz d'échappement recyclés, disposée côté haute pression par rapport au compresseur (2), et
    au moins un refroidisseur de gaz d'échappement (10, 12) servant au transfert, dans un milieu de refroidissement, de chaleur provenant du flux de gaz d'échappement (5a) circulant en dérivation,
    où il est prévu un échangeur de chaleur (7) par lequel de la chaleur peut être transmise entre le flux de gaz d'échappement (5a) circulant en dérivation côté haute pression, et un flux de gaz d'échappement (8) placé côté basse pression par rapport au compresseur,
    caractérisé en ce que le flux de gaz d'échappement (8) - côté basse pression - de l'échangeur de chaleur (7) est un flux partiel (8b) du flux de gaz d'échappement (8) - côté basse pression - du compresseur (2), et le flux partiel (8b) est réglable par un actionneur (14), où l'échangeur de chaleur (7) est un échangeur de chaleur configuré en formant un ensemble unitaire qui peut être traversé, côté haute pression, par un flux de gaz d'échappement (5a) et, côté basse pression, par un flux de gaz d'échappement (8).
  2. Dispositif pour le recyclage de gaz d'échappement d'un moteur à combustion interne, comprenant
    un compresseur (2) entraîné par les gaz d'échappement, où un flux de gaz d'échappement entre dans le compresseur (2) côté haute pression et sort du compresseur (2) côté basse pression,
    une dérivation (5a) pour les gaz d'échappement recyclés, disposée côté haute pression par rapport au compresseur (2), et
    au moins un refroidisseur de gaz d'échappement (10, 12) servant au transfert, dans un milieu de refroidissement, de chaleur provenant du flux de gaz d'échappement (5a) circulant en dérivation,
    où il est prévu un échangeur de chaleur (7) par lequel de la chaleur peut être transmise entre le flux de gaz d'échappement (5a) circulant en dérivation côté haute pression, et un flux de gaz d'échappement (8) placé côté basse pression par rapport au compresseur,
    caractérisé en ce que le flux de gaz d'échappement (8) - côté basse pression - de l'échangeur de chaleur (7) est un flux partiel (8b) du flux de gaz d'échappement (8) - côté basse pression - du compresseur (2), et le flux partiel (8b) est réglable par un actionneur (14), où l'échangeur de chaleur (7) comprend un échangeur de chaleur (7b) côté basse pression et un échangeur de chaleur (7a) côté haute pression, échangeurs de chaleur qui sont reliés thermiquement par un fluide (7c).
  3. Dispositif selon la revendication 1 ou 2, caractérisé en ce qu'il est prévu, côté basse pression, en aval de l'échangeur de chaleur (7), au moins un moyen servant au retraitement (9) des gaz d'échappement, en particulier l'un des composants du groupe formé par le catalyser à accumulation, le catalyser de réduction ou le filtre à particules.
  4. Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce que l'échangeur de chaleur (7) comprend un échangeur de chaleur (7b) côté basse pression et un échangeur de chaleur (7a) côté haute pression, échangeurs de chaleur qui sont reliés thermiquement par un fluide (7c).
  5. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que l'échangeur de chaleur (7) comprend un tube de chaleur (7d).
  6. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le refroidisseur de gaz d'échappement (10) est un refroidisseur de gaz d'échappement indirect servant au transfert de chaleur à un circuit de liquide de refroidissement, en particulier à un circuit de refroidissement principal du moteur à combustion interne (1).
  7. Dispositif selon l'une quelconque des revendications précédente, caractérisé en ce que le refroidisseur de gaz d'échappement (12) est un refroidisseur de gaz d'échappement direct servant au transfert de chaleur à l'air ambiant.
  8. Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu un premier refroidisseur de gaz d'échappement indirect (10) et un deuxième refroidisseur de gaz d'échappement direct (12).
  9. Dispositif selon l'une quelconque des revendications 1 à 7, caractérisé en ce qu'il est prévu un premier refroidisseur de gaz d'échappement indirect (10) et un deuxième refroidisseur de gaz d'échappement indirect (12).
  10. Procédé pour le recyclage de gaz d'échappement d'un moteur à combustion interne, en particulier au moyen d'un dispositif selon l'une quelconque des revendications 1 à 9, comprenant les étapes consistant :
    a. à faire circuler en dérivation, côté haute pression d'un compresseur (2) entraîné par des gaz d'échappement, un flux de gaz d'échappement (5a) à recycler ;
    b. à transmettre de la chaleur provenant du flux de gaz d'échappement (5a) à recycler, à un flux de gaz d'échappement (8) côté basse pression du compresseur (2) ;
    c. à refroidir le flux de gaz d'échappement (5a) à recycler, au moyen d'un refroidisseur de gaz d'échappement (10, 12).
  11. Procédé selon la revendication 10, caractérisé en ce que le flux de gaz d'échappement (8) côté basse pression est fourni à un moyen servant au retraitement (9) des gaz d'échappement, en particulier à l'un des composants du groupe formé par le catalyseur à accumulation, le catalyser de réduction ou le filtre à particules.
EP08842507A 2007-10-26 2008-10-21 Dispositif et procédé pour la réinjection de gaz d'échappement d'un moteur à combustion interne Not-in-force EP2212540B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007051659A DE102007051659A1 (de) 2007-10-26 2007-10-26 Vorrichtung und Verfahren zur Rückführung von Abgas eines Verbrennungsmotors
PCT/EP2008/008888 WO2009053025A1 (fr) 2007-10-26 2008-10-21 Dispositif et procédé pour la réinjection de gaz d'échappement d'un moteur à combustion interne

Publications (2)

Publication Number Publication Date
EP2212540A1 EP2212540A1 (fr) 2010-08-04
EP2212540B1 true EP2212540B1 (fr) 2012-02-29

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Application Number Title Priority Date Filing Date
EP08842507A Not-in-force EP2212540B1 (fr) 2007-10-26 2008-10-21 Dispositif et procédé pour la réinjection de gaz d'échappement d'un moteur à combustion interne

Country Status (6)

Country Link
US (1) US20100199664A1 (fr)
EP (1) EP2212540B1 (fr)
JP (1) JP2011501031A (fr)
AT (1) ATE547615T1 (fr)
DE (1) DE102007051659A1 (fr)
WO (1) WO2009053025A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110100342A1 (en) * 2009-11-02 2011-05-05 International Engine Intellectual Property Company Llc Forced convection egr cooling system
FR2980532B1 (fr) * 2011-09-26 2013-09-27 Peugeot Citroen Automobiles Sa Boitier de sortie d'eau de moteur de vehicule automobile avec un echangeur thermique egr basse pression et haute pression et ses vannes de pilotage
FR3000140B1 (fr) * 2012-12-21 2019-05-17 Valeo Systemes Thermiques Dispositif de gestion thermique de l'air d'admission d'un moteur et procede de gestion thermique associe
US9528428B2 (en) * 2014-10-14 2016-12-27 Deere & Company Cooling system for charge air cooler
KR101786678B1 (ko) * 2016-04-29 2017-11-15 현대자동차 주식회사 엔진의 배기 열 회수 장치 및 방법

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002195106A (ja) * 2000-12-22 2002-07-10 Hino Motors Ltd Ｅｇｒ装置

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT3888U3 (de) * 1999-11-03 2002-06-25 Avl List Gmbh Brennkraftmaschine
JP2001342911A (ja) * 2000-05-31 2001-12-14 Komatsu Ltd 内燃機関の排気再循環制御装置
JP2002195023A (ja) * 2000-12-22 2002-07-10 Hino Motors Ltd 排気浄化装置
SE526821C2 (sv) * 2004-03-31 2005-11-08 Scania Cv Ab Arrangemang för återcirkulation av avgaser hos en överladdad förbränningsmotor
GB2416565B (en) * 2004-07-23 2008-02-13 Visteon Global Tech Inc Pressure boosted IC engine with exhaust gas recirculation
JP4158756B2 (ja) * 2004-10-06 2008-10-01 トヨタ自動車株式会社 内燃機関
JP2006132440A (ja) * 2004-11-05 2006-05-25 Mitsubishi Fuso Truck & Bus Corp Ｅｇｒ装置
DE102004055846B4 (de) * 2004-11-19 2016-12-15 Bayerische Motoren Werke Aktiengesellschaft Fahrzeug mit Turbo-Dieselmotor und Abgasrückführung
DE102005002518B3 (de) * 2005-01-19 2006-08-03 Pierburg Gmbh Abgasrückführungssystem für eine Brennkraftmaschine sowie Abgasrückführungsverfahren
JP2006207467A (ja) * 2005-01-27 2006-08-10 Toyota Motor Corp 内燃機関の制御装置
SE528620C2 (sv) * 2005-05-18 2006-12-27 Scania Cv Ab Arrangemang för återcirkulation av avgaser hos en överladdad förbränningsmotor
GB2428465A (en) * 2005-07-19 2007-01-31 Thomas Tsoi Hei Ma A system for dispensing EGR in a reciprocating internal combustion engine
US7322192B2 (en) * 2005-08-19 2008-01-29 Deere & Company Exhaust gas recirculation system
SE529101C2 (sv) * 2005-09-20 2007-05-02 Scania Cv Ab Kylarrangemang för återcirkulation av gaser hos en överladdad förbränningsmotor
US7210469B1 (en) * 2005-10-24 2007-05-01 International Engine Intellectual Property Company, Llc Oxidation catalyst coating in a heat exchanger
US7210468B1 (en) * 2005-10-24 2007-05-01 International Engine Intellectual Property Company, Llc Heat exchanger method and apparatus
DE112006003134T5 (de) * 2005-12-02 2008-10-23 Borgwarner Inc., Auburn Hills Kombination aus AGR-Ventil und -Kühlerbypass
JP2007154717A (ja) * 2005-12-02 2007-06-21 Bosch Corp 内燃機関の排気浄化装置及び排気浄化方法
WO2007073769A1 (fr) * 2005-12-23 2007-07-05 Renault Trucks Moteur a combustion interne et echangeur thermique du type rge pour celui-ci
AT503458B1 (de) * 2006-04-03 2008-09-15 Man Nutzfahrzeuge Oesterreich Abgasanlage einer antriebseinheit für ein kraftfahrzeug mit abgasrückführung
SE530582C2 (sv) * 2006-11-29 2008-07-08 Scania Cv Ab Arrangemang och metod hos en överladdad förbränningsmotor
US8015809B2 (en) * 2008-02-14 2011-09-13 Dresser, Inc. Recirculation of exhaust gas condensate
US8261542B2 (en) * 2008-09-03 2012-09-11 General Electric Company System, method, and device for locomotive exhaust gas recirculation cooling and catalyst heating
US8141359B2 (en) * 2008-09-03 2012-03-27 General Electric Company System and method for locomotive exhaust gas recirculation cooling and catalyst heating
US9297306B2 (en) * 2008-09-11 2016-03-29 General Electric Company Exhaust gas recirculation system, turbomachine system having the exhaust gas recirculation system and exhaust gas recirculation control method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002195106A (ja) * 2000-12-22 2002-07-10 Hino Motors Ltd Ｅｇｒ装置

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DE102007051659A1 (de) 2009-04-30
EP2212540A1 (fr) 2010-08-04
US20100199664A1 (en) 2010-08-12
JP2011501031A (ja) 2011-01-06
WO2009053025A1 (fr) 2009-04-30

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